Support JQuery source mapping for SDM.

https://github.com/kyoken74/gwt-angular/issues/66
Upgraded to angular-1.2.16
An attempt to support transclude was breaking the directive.

The element text was null when I set the transclude to true. Commented
out the code, and element text is available again. To come back to this
later.

https://github.com/kyoken74/gwt-angular/issues/62
AngularJS 1.2.16 upgrade
Inline text support for prettify directive.
Examples migrating to the gwt-prettify class directive.
Using H2 header within the demo.
Updated the prettify demo example demo and documentation.